Finding the Fourth Proportional to 290,948,117.70, 436,422,176.55 and 290,948,117.70
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Solution
The fourth proportional to 290,948,117.70, 436,422,176.55 and 290,948,117.70 is: 436,422,176.55
Step by Step Solution
- Step 1: Write the proportion equation
290,948,117.70 : 436,422,176.55 = 290,948,117.70 : x - Step 2: Convert to fraction form
290,948,117.70/436,422,176.55 = 290,948,117.70/x - Step 3: Cross multiply
290,948,117.70x = 436,422,176.55 × 290,948,117.70 - Step 4: Simplify right side
290,948,117.70x = 126,976,210,789,759,584 - Step 5: Solve for x
x = 126,976,210,789,759,584/290,948,117.70 - Step 6: Final answer
x = 436,422,176.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.